System for reducing feedback noise due to relaxation oscillation in optical data recording reproducing systems using optimized external cavity | |
T HOOFT, GERT, WIM; SCHLEIPEN, JOHANNES, JOSEPH, HUBERTINA, BARBARA; VAN DE NES, ARTHUR, SIEWERT | |
2005-09-01 | |
著作权人 | KONINKLIJKE PHILIPS ELECTRONICS N.V. |
专利号 | WO2005081236A1 |
国家 | 世界知识产权组织 |
文献子类 | 发明申请 |
其他题名 | System for reducing feedback noise due to relaxation oscillation in optical data recording reproducing systems using optimized external cavity |
英文摘要 | This invention relates to a method for reducing feedback noise in an optical recording/reproducing system (10) comprising a laser (18) driven by an AC and a DC current thereby generating a pulsating light (22) emitted from said laser (18) to an external cavity defining an optical length (L) from said laser (18) to an optical storage medium (12), such as a compact disc (CD), digital versatile disc (DVD), Blu-Ray Disc, MiniDisc (MD), or magnetooptic disc (MOD). The optical length (L) is adjusted in accordance with the relaxation oscillation frequency. |
公开日期 | 2005-09-01 |
申请日期 | 2005-01-19 |
状态 | 未确认 |
内容类型 | 专利 |
源URL | [http://ir.opt.ac.cn/handle/181661/61193] |
专题 | 半导体激光器专利数据库 |
作者单位 | KONINKLIJKE PHILIPS ELECTRONICS N.V. |
推荐引用方式 GB/T 7714 | T HOOFT, GERT, WIM,SCHLEIPEN, JOHANNES, JOSEPH, HUBERTINA, BARBARA,VAN DE NES, ARTHUR, SIEWERT. System for reducing feedback noise due to relaxation oscillation in optical data recording reproducing systems using optimized external cavity. WO2005081236A1. 2005-09-01. |
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